Thomsen milk pumps are the best pumps available, the craftsmanship and quality is unmatched. This pump is a #4 (4" Diameter Pump)Input is Tri-Clamp 1.5"Output is Tri-Clamp 1.5"Impeller Diameter is 3-3/8"Requires a 5/8" Shaft motor

For your comparison here are some of the models we offer. If you are looking for one not listed below please give us a call.

Model

HP

Inlet

Outlet

Impeller

Shaft

#4

1

1.5"

1.5"

3-3/8"

5/8"

#4

1.5

1.5"

1.5"

3-5/8"

5/8"

#4

2

1.5"

1.5"

3-7/8"

5/8"

#4

2

1.5"

1.5"

3-7/8"

7/8"

#4

2

2"

1.5"

3-7/8"

7/8"

#5

2

2"

1.5"

4-1/8"

7/8"

#5

3

2"

2"

4-7/8"

7/8"

#6

3

2"

2"

5-1/8"

1-1/8"

#6

5

2"

2"

5-7/8"

1-1/8"

#8

7.5

3"

2"

7-5/8"

1-3/8"

Pump Size

Thomsen Pump models can be easily found by taking a measurement of the Outside Diameter of the Pump Head.